CVE-2026-56771 - CERT CVE
ID CVE-2026-56771
Sažetak NewsBlur before version 14.5.0 contains a server-side request forgery vulnerability in the add_url endpoint that allows authenticated users to make arbitrary server requests to internal networks by failing to filter private IP addresses. Attackers can exploit this to access localhost services and cloud metadata endpoints, enabling internal network scanning and sensitive data exfiltration.
Reference
CVSS
Base: 8.5
Impact: 4.7
Exploitability:3.1
Pristup
VektorSloženostAutentikacija
NETWORK LOW LOW
Impact
PovjerljivostCjelovitostDostupnost
LOW HIGH NONE
CVSS vektor CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
Zadnje važnije ažuriranje 25-06-2026 - 19:50
Objavljeno 25-06-2026 - 19:16